From 31f02e194dc1fdab0d6c6ab53c888d8c19d9e83f Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sun, 17 Jun 2007 00:00:19 +0000
Subject: [PATCH] adjust get-text-extent on empty string for Windows

svn: r6678
---
 src/wxwindow/src/msw/wx_dc.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/wxwindow/src/msw/wx_dc.cxx b/src/wxwindow/src/msw/wx_dc.cxx
index 46e8553546..00a5dc37e4 100644
--- a/src/wxwindow/src/msw/wx_dc.cxx
+++ b/src/wxwindow/src/msw/wx_dc.cxx
@@ -2220,7 +2220,11 @@ void wxDC::GetTextExtent(const char *string, double *x, double *y,
   DoneDC(dc);
 
   *x = (double)tx;
-  *y = (double)ty;
+  if (!len && !ty) {
+    *y = (double)tm.tmHeight;;
+  } else {
+    *y = (double)ty;
+  }
   if (descent) *descent = (double)tm.tmDescent;
   if (topSpace) *topSpace = (double)tm.tmInternalLeading;